等価回路の数式化

> Z1:=1/(s*Cb);

Z1 := 1/(s*Cb)

> Z2:=s*La+1/(s*Ca)+Ra;

Z2 := s*La+1/(s*Ca)+Ra

> Z3:=Z1*Z2/(Z1+Z2);

Z3 := (s*La+1/(s*Ca)+Ra)/(s*Cb*(1/(s*Cb)+s*La+1/(s*...

> Z4:=s*Lc+1/(s*Cc)+Rc;

Z4 := s*Lc+1/(s*Cc)+Rc

> Z:=Z3*Z4/(Z3+Z4);

Z := (s*La+1/(s*Ca)+Ra)*(s*Lc+1/(s*Cc)+Rc)/(s*Cb*(1...
Z := (s*La+1/(s*Ca)+Ra)*(s*Lc+1/(s*Cc)+Rc)/(s*Cb*(1...
Z := (s*La+1/(s*Ca)+Ra)*(s*Lc+1/(s*Cc)+Rc)/(s*Cb*(1...

> Z:=Z3*Z4/(Z3+Z4);

Z := (s*La+1/(s*Ca)+Ra)*(s*Lc+1/(s*Cc)+Rc)/(s*Cb*(1...
Z := (s*La+1/(s*Ca)+Ra)*(s*Lc+1/(s*Cc)+Rc)/(s*Cb*(1...
Z := (s*La+1/(s*Ca)+Ra)*(s*Lc+1/(s*Cc)+Rc)/(s*Cb*(1...

インピーダンスの大きさ

> Zh:=evalc(abs(subs(s=I*f*(2*Pi), Z)));

Zh := 1/2*sqrt((((Ra^2/(f*Cb*(Ra^2+(-1/2*1/(f*Pi*Cb...
Zh := 1/2*sqrt((((Ra^2/(f*Cb*(Ra^2+(-1/2*1/(f*Pi*Cb...
Zh := 1/2*sqrt((((Ra^2/(f*Cb*(Ra^2+(-1/2*1/(f*Pi*Cb...
Zh := 1/2*sqrt((((Ra^2/(f*Cb*(Ra^2+(-1/2*1/(f*Pi*Cb...
Zh := 1/2*sqrt((((Ra^2/(f*Cb*(Ra^2+(-1/2*1/(f*Pi*Cb...
Zh := 1/2*sqrt((((Ra^2/(f*Cb*(Ra^2+(-1/2*1/(f*Pi*Cb...
Zh := 1/2*sqrt((((Ra^2/(f*Cb*(Ra^2+(-1/2*1/(f*Pi*Cb...
Zh := 1/2*sqrt((((Ra^2/(f*Cb*(Ra^2+(-1/2*1/(f*Pi*Cb...
Zh := 1/2*sqrt((((Ra^2/(f*Cb*(Ra^2+(-1/2*1/(f*Pi*Cb...
Zh := 1/2*sqrt((((Ra^2/(f*Cb*(Ra^2+(-1/2*1/(f*Pi*Cb...
Zh := 1/2*sqrt((((Ra^2/(f*Cb*(Ra^2+(-1/2*1/(f*Pi*Cb...
Zh := 1/2*sqrt((((Ra^2/(f*Cb*(Ra^2+(-1/2*1/(f*Pi*Cb...
Zh := 1/2*sqrt((((Ra^2/(f*Cb*(Ra^2+(-1/2*1/(f*Pi*Cb...
Zh := 1/2*sqrt((((Ra^2/(f*Cb*(Ra^2+(-1/2*1/(f*Pi*Cb...
Zh := 1/2*sqrt((((Ra^2/(f*Cb*(Ra^2+(-1/2*1/(f*Pi*Cb...
Zh := 1/2*sqrt((((Ra^2/(f*Cb*(Ra^2+(-1/2*1/(f*Pi*Cb...
Zh := 1/2*sqrt((((Ra^2/(f*Cb*(Ra^2+(-1/2*1/(f*Pi*Cb...
Zh := 1/2*sqrt((((Ra^2/(f*Cb*(Ra^2+(-1/2*1/(f*Pi*Cb...
Zh := 1/2*sqrt((((Ra^2/(f*Cb*(Ra^2+(-1/2*1/(f*Pi*Cb...
Zh := 1/2*sqrt((((Ra^2/(f*Cb*(Ra^2+(-1/2*1/(f*Pi*Cb...
Zh := 1/2*sqrt((((Ra^2/(f*Cb*(Ra^2+(-1/2*1/(f*Pi*Cb...
Zh := 1/2*sqrt((((Ra^2/(f*Cb*(Ra^2+(-1/2*1/(f*Pi*Cb...
Zh := 1/2*sqrt((((Ra^2/(f*Cb*(Ra^2+(-1/2*1/(f*Pi*Cb...
Zh := 1/2*sqrt((((Ra^2/(f*Cb*(Ra^2+(-1/2*1/(f*Pi*Cb...
Zh := 1/2*sqrt((((Ra^2/(f*Cb*(Ra^2+(-1/2*1/(f*Pi*Cb...
Zh := 1/2*sqrt((((Ra^2/(f*Cb*(Ra^2+(-1/2*1/(f*Pi*Cb...
Zh := 1/2*sqrt((((Ra^2/(f*Cb*(Ra^2+(-1/2*1/(f*Pi*Cb...
Zh := 1/2*sqrt((((Ra^2/(f*Cb*(Ra^2+(-1/2*1/(f*Pi*Cb...
Zh := 1/2*sqrt((((Ra^2/(f*Cb*(Ra^2+(-1/2*1/(f*Pi*Cb...
Zh := 1/2*sqrt((((Ra^2/(f*Cb*(Ra^2+(-1/2*1/(f*Pi*Cb...
Zh := 1/2*sqrt((((Ra^2/(f*Cb*(Ra^2+(-1/2*1/(f*Pi*Cb...
Zh := 1/2*sqrt((((Ra^2/(f*Cb*(Ra^2+(-1/2*1/(f*Pi*Cb...
Zh := 1/2*sqrt((((Ra^2/(f*Cb*(Ra^2+(-1/2*1/(f*Pi*Cb...
Zh := 1/2*sqrt((((Ra^2/(f*Cb*(Ra^2+(-1/2*1/(f*Pi*Cb...
Zh := 1/2*sqrt((((Ra^2/(f*Cb*(Ra^2+(-1/2*1/(f*Pi*Cb...
Zh := 1/2*sqrt((((Ra^2/(f*Cb*(Ra^2+(-1/2*1/(f*Pi*Cb...
Zh := 1/2*sqrt((((Ra^2/(f*Cb*(Ra^2+(-1/2*1/(f*Pi*Cb...
Zh := 1/2*sqrt((((Ra^2/(f*Cb*(Ra^2+(-1/2*1/(f*Pi*Cb...
Zh := 1/2*sqrt((((Ra^2/(f*Cb*(Ra^2+(-1/2*1/(f*Pi*Cb...
Zh := 1/2*sqrt((((Ra^2/(f*Cb*(Ra^2+(-1/2*1/(f*Pi*Cb...
Zh := 1/2*sqrt((((Ra^2/(f*Cb*(Ra^2+(-1/2*1/(f*Pi*Cb...
Zh := 1/2*sqrt((((Ra^2/(f*Cb*(Ra^2+(-1/2*1/(f*Pi*Cb...
Zh := 1/2*sqrt((((Ra^2/(f*Cb*(Ra^2+(-1/2*1/(f*Pi*Cb...

このとても複雑な数式が、フィッティングを行う式になります。

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